31192845

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 51587712

約数和(自身を除く): 20394867

約数列:

[1, 3, 5, 15, 43, 129, 137, 215, 353, 411, 645, 685, 1059, 1765, 2055, 5295, 5891, 15179, 17673, 29455, 45537, 48361, 75895, 88365, 145083, 227685, 241805, 725415, 2079523, 6238569, 10397615, 31192845]

約数ペア:

[(1, 31192845), (3, 10397615), (5, 6238569), (15, 2079523), (43, 725415), (129, 241805), (137, 227685), (215, 145083), (353, 88365), (411, 75895), (645, 48361), (685, 45537), (1059, 29455), (1765, 17673), (2055, 15179), (5295, 5891)]